WILLIAM K BUTLER MD
NPI 1588709877
Allergy & Immunology in Seattle, WA

NPI Status: Active since February 21, 2007

Contact Information

125 16TH AVE E
SEATTLE, WA
ZIP 98112
Phone: (206) 326-3000

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  • Individual
  • Male
  • Allergy & Immunology
  • PECOS Enrolled

About WILLIAM BUTLER

This page provides the complete NPI Profile along with additional information for William Butler, a provider established in Seattle, Washington with a medical specialization in Allergy & Immunology. The healthcare provider is registered in the NPI registry with number 1588709877 assigned on February 2007. The practitioner's primary taxonomy code is 207K00000X with license number MD00036622 (WA). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1588709877
Provider Name
WILLIAM K BUTLER MD
Gender
Male
Entity Type
Individual
Location Address
125 16TH AVE E SEATTLE, WA 98112
Location Phone
(206) 326-3000
Mailing Address
125 16TH AVE E SEATTLE, WA 98112
Mailing Phone
(206) 326-3000
Is Sole Proprietor?
No
Enumeration Date
02-21-2007
Last Update Date
05-19-2021
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Allergy & Immunology

Taxonomy Code
207K00000X
Type
Allopathic & Osteopathic Physicians
License No.
MD00036622
License State
WA
Taxonomy Description
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
8243354MEDICAID (05)WA 

Medicare Participation & PECOS Enrollment Status

William Butler is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Reviews for WILLIAM K BUTLER MD

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1588709877, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
8
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
8
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
7
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 8 → 16 → 7 7 → 14 → 5 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 5 + 1 + 6 + 8 + 1 + 4 + 0 + 1 + 8 + 8 + 1 + 4 + 24 = 73

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1588709877.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pharmacist
125 16TH AVE E
SEATTLE, WA 98112
Pharmacist
125 16TH AVE E, GROUP HEALTH COOPERATIVE, CSB PHARMACY
SEATTLE, WA 98112
Pathology (Anatomic Pathology)
125 16TH AVE E
SEATTLE, WA 98112
Registered Nurse
125 16TH AVE E
SEATTLE, WA 98112
Internal Medicine
125 16TH AVE E
SEATTLE, WA 98112
Physical Therapist
125 16TH AVE E
SEATTLE, WA 98112
Internal Medicine
125 16TH AVE E
SEATTLE, WA 98112
Family Medicine
125 16TH AVE E
SEATTLE, WA 98112
Family Medicine
125 16TH AVE E
SEATTLE, WA 98112
Obstetrics & Gynecology
125 16TH AVE E
SEATTLE, WA 98112
Internal Medicine (Gastroenterology)
125 16TH AVE E, CSB 2, GASTRO
SEATTLE, WA 98112
Internal Medicine
125 16TH AVE E
SEATTLE, WA 98112
Family Medicine
125 16TH AVE E, CSB-4
SEATTLE, WA 98112
Family Medicine
125 16TH AVE E, CSB-4
SEATTLE, WA 98112
Family Medicine
125 16TH AVE E, CSB-4
SEATTLE, WA 98112
Family Medicine
125 16TH AVE E, CSB-4
SEATTLE, WA 98112
Ophthalmology
125 16TH AVE E
SEATTLE, WA 98112
Family Medicine
125 16TH AVE E, CSB-4
SEATTLE, WA 98112
Internal Medicine
125 16TH AVE E, CSB-4
SEATTLE, WA 98112
Physician Assistant
125 16TH AVE E
SEATTLE, WA 98112

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1588709877, enumerated as an "individual" on February 21, 2007.

The provider is located at 125 16TH AVE E SEATTLE, WA 98112 and the phone number is (206) 326-3000.

Allergy & Immunology with taxonomy code 207K00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.